package net.minecraft.block;

import com.google.common.base.Predicate;
import java.util.Random;
import net.minecraft.block.material.Material;
import net.minecraft.block.properties.IProperty;
import net.minecraft.block.properties.PropertyDirection;
import net.minecraft.block.properties.PropertyInteger;
import net.minecraft.block.state.BlockState;
import net.minecraft.block.state.IBlockState;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.MathHelper;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;

public class BlockStem extends BlockBush implements IGrowable {
	public static final PropertyInteger AGE = PropertyInteger.create("age", 0, 7);
	public static final PropertyDirection FACING = PropertyDirection.create("facing", new Predicate<EnumFacing>() {
		public boolean apply(EnumFacing p_apply_1_) {
			return p_apply_1_ != EnumFacing.DOWN;
		}
	});
	private final Block crop;

	protected BlockStem(Block crop) {
		this.setDefaultState(this.blockState.getBaseState().withProperty(AGE, Integer.valueOf(0)).withProperty(FACING,
				EnumFacing.UP));
		this.crop = crop;
		this.setTickRandomly(true);
		float f = 0.125F;
		this.setBlockBounds(0.5F - f, 0.0F, 0.5F - f, 0.5F + f, 0.25F, 0.5F + f);
		this.setCreativeTab((CreativeTabs) null);
	}

	/**
	 * Get the actual Block state of this Block at the given position. This applies
	 * properties not visible in the metadata, such as fence connections.
	 */
	public IBlockState getActualState(IBlockState state, IBlockAccess worldIn, BlockPos pos) {
		state = state.withProperty(FACING, EnumFacing.UP);

		for (Object enumfacing : EnumFacing.Plane.HORIZONTAL) {
			if (worldIn.getBlockState(pos.offset((EnumFacing) enumfacing)).getBlock() == this.crop) {
				state = state.withProperty(FACING, (EnumFacing) enumfacing);
				break;
			}
		}

		return state;
	}

	/**
	 * is the block grass, dirt or farmland
	 */
	protected boolean canPlaceBlockOn(Block ground) {
		return ground == Blocks.farmland;
	}

	public void updateTick(World worldIn, BlockPos pos, IBlockState state, Random rand) {
		super.updateTick(worldIn, pos, state, rand);

		if (worldIn.getLightFromNeighbors(pos.up()) >= 9) {
			float f = BlockCrops.getGrowthChance(this, worldIn, pos);

			if (rand.nextInt((int) (25.0F / f) + 1) == 0) {
				int i = ((Integer) state.getValue(AGE)).intValue();

				if (i < 7) {
					state = state.withProperty(AGE, Integer.valueOf(i + 1));
					worldIn.setBlockState(pos, state, 2);
				} else {
					for (Object enumfacing : EnumFacing.Plane.HORIZONTAL) {
						if (worldIn.getBlockState(pos.offset((EnumFacing) enumfacing)).getBlock() == this.crop) {
							return;
						}
					}

					pos = pos.offset(EnumFacing.Plane.HORIZONTAL.random(rand));
					Block block = worldIn.getBlockState(pos.down()).getBlock();

					if (worldIn.getBlockState(pos).getBlock().blockMaterial == Material.air
							&& (block == Blocks.farmland || block == Blocks.dirt || block == Blocks.grass)) {
						worldIn.setBlockState(pos, this.crop.getDefaultState());
					}
				}
			}
		}
	}

	public void growStem(World worldIn, BlockPos pos, IBlockState state) {
		int i = ((Integer) state.getValue(AGE)).intValue() + MathHelper.getRandomIntegerInRange(worldIn.rand, 2, 5);
		worldIn.setBlockState(pos, state.withProperty(AGE, Integer.valueOf(Math.min(7, i))), 2);
	}

	public int getRenderColor(IBlockState state) {
		if (state.getBlock() != this) {
			return super.getRenderColor(state);
		} else {
			int i = ((Integer) state.getValue(AGE)).intValue();
			int j = i * 32;
			int k = 255 - i * 8;
			int l = i * 4;
			return j << 16 | k << 8 | l;
		}
	}

	public int colorMultiplier(IBlockAccess worldIn, BlockPos pos, int renderPass) {
		return this.getRenderColor(worldIn.getBlockState(pos));
	}

	/**
	 * Sets the block's bounds for rendering it as an item
	 */
	public void setBlockBoundsForItemRender() {
		float f = 0.125F;
		this.setBlockBounds(0.5F - f, 0.0F, 0.5F - f, 0.5F + f, 0.25F, 0.5F + f);
	}

	public void setBlockBoundsBasedOnState(IBlockAccess worldIn, BlockPos pos) {
		this.maxY = (double) ((float) (((Integer) worldIn.getBlockState(pos).getValue(AGE)).intValue() * 2 + 2)
				/ 16.0F);
		float f = 0.125F;
		this.setBlockBounds(0.5F - f, 0.0F, 0.5F - f, 0.5F + f, (float) this.maxY, 0.5F + f);
	}

	/**
	 * Spawns this Block's drops into the World as EntityItems.
	 */
	public void dropBlockAsItemWithChance(World worldIn, BlockPos pos, IBlockState state, float chance, int fortune) {
		super.dropBlockAsItemWithChance(worldIn, pos, state, chance, fortune);

		if (!worldIn.isRemote) {
			Item item = this.getSeedItem();

			if (item != null) {
				int i = ((Integer) state.getValue(AGE)).intValue();

				for (int j = 0; j < 3; ++j) {
					if (worldIn.rand.nextInt(15) <= i) {
						spawnAsEntity(worldIn, pos, new ItemStack(item));
					}
				}
			}
		}
	}

	protected Item getSeedItem() {
		return this.crop == Blocks.pumpkin ? Items.pumpkin_seeds
				: (this.crop == Blocks.melon_block ? Items.melon_seeds : null);
	}

	/**
	 * Get the Item that this Block should drop when harvested.
	 */
	public Item getItemDropped(IBlockState state, Random rand, int fortune) {
		return null;
	}

	public Item getItem(World worldIn, BlockPos pos) {
		Item item = this.getSeedItem();
		return item != null ? item : null;
	}

	/**
	 * Whether this IGrowable can grow
	 */
	public boolean canGrow(World worldIn, BlockPos pos, IBlockState state, boolean isClient) {
		return ((Integer) state.getValue(AGE)).intValue() != 7;
	}

	public boolean canUseBonemeal(World worldIn, Random rand, BlockPos pos, IBlockState state) {
		return true;
	}

	public void grow(World worldIn, Random rand, BlockPos pos, IBlockState state) {
		this.growStem(worldIn, pos, state);
	}

	/**
	 * Convert the given metadata into a BlockState for this Block
	 */
	public IBlockState getStateFromMeta(int meta) {
		return this.getDefaultState().withProperty(AGE, Integer.valueOf(meta));
	}

	/**
	 * Convert the BlockState into the correct metadata value
	 */
	public int getMetaFromState(IBlockState state) {
		return ((Integer) state.getValue(AGE)).intValue();
	}

	protected BlockState createBlockState() {
		return new BlockState(this, new IProperty[] { AGE, FACING });
	}
}
